典型文献
Metamaterial-enabled arbitrary on-chip spatial mode manipulation
文献摘要：
On-chip spatial mode operation,represented as mode-division multiplexing(MDM),can support high-capacity data communications and promise superior performance in various systems and numerous applications from optical sensing to nonlinear and quantum optics.However,the scalability of state-of-the-art mode manipulation techniques is significantly hindered not only by the particular mode-order-oriented design strategy but also by the inherent limitations of possibly achievable mode orders.Recently,metamaterials capable of providing subwavelength-scale control of optical wavefronts have emerged as an attractive alternative to manipulate guided modes with compact footprints and broadband functionalities.Herein,we propose a universal yet efficient design framework based on the topological metamaterial building block(BB),enabling the excitation of arbitrary high-order spatial modes in silicon waveguides.By simply programming the layout of multiple fully etched dielectric metamaterial perturbations with predefined mathematical formulas,arbitrary high-order mode conversion and mode exchange can be simultaneously realized with uniform and competitive performance.The extraordinary scalability of the metamaterial BB frame is experimentally benchmarked by a record high-order mode operator up to the twentieth.As a proof of conceptual application,an 8-mode MDM data transmission of 28-GBaud 16-QAM optical signals is also verified with an aggregate data rate of 813 Gb/s(7％FEC).This user-friendly metamaterial BB concept marks a quintessential breakthrough for comprehensive manipulation of spatial light on-chip by breaking the long-standing shackles on the scalability,which may open up fascinating opportunities for complex photonic functionalities previously inaccessible.
文献关键词：
中图分类号：
作者姓名：
Jinlong Xiang;Zhiyuan Tao;Xingfeng Li;Yaotian Zhao;Yu He;Xuhan Guo;Yikai Su
作者机构：
State Key Laboratory of Advanced Optical Communication Systems and Networks,Department of Electronic Engineering,Shanghai Jiao Tong University,Shanghai 200240,China
文献出处：
引用格式：
[1]Jinlong Xiang;Zhiyuan Tao;Xingfeng Li;Yaotian Zhao;Yu He;Xuhan Guo;Yikai Su-.Metamaterial-enabled arbitrary on-chip spatial mode manipulation)[J].光：科学与应用（英文版）,2022(07):1482-1492
A类：
quintessential,shackles
B类：
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AB值：
0.630986
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